PSI MEMBRANE®Pro-BW brackish water membrane ,Seamlessly integrated with groundbreaking Thin Film Nanocomposite (TFN) technology, this membrane is expertly designed for the efficient treatment of reclaimed wastewater, surface water, and the most challenging well waters, meeting the stringent demands of water treatment and feed processes. Capable of handling waters with total dissolved solids (TDS) ranging impressively from 2000 ppm to 8000 ppm.
Key features:
Produce higher flux:This advanced membrane technology delivers superior water quality through higher rejection rates and flow, outperforming conventional membrane solutions.
Anti-fouling resistant:Enhanced with superior anti-fouling properties, it effectively minimizes the accumulation of microorganisms and inorganic contaminants.
Excellent chemical cleaning resistant:Demonstrates exceptional resistance to chemical cleaning, ensuring long-term operational stability and outstanding durability.
Key applications:
Perfectly suited for industrial applications across sectors such as Electronics, Power, Petrochemical, Refinery, as well as the Food and Beverage industries.
Also ideal for municipal water purification.
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness (mil) |
Product Flow Rate
g p d( m ³/d) |
Stable Salt Rejection
(%) |
Minimum Salt Rejection
(%)
|
| Pro-BW-2521 |
14(1.3) |
32 |
350(1.2)
|
99.5 |
99.2 |
| Pro-BW-2540 |
28(2.6) |
32 |
750(2.8)
|
99.5 |
99.2 |
| Pro-BW-4021 |
36(3.3) |
32 |
1000(3.8)
|
99.5 |
99.2 |
| Pro-BW-4040 |
85(7.9) |
32 |
2600(9.8) |
99.5 |
99.2 |
| Pro-BW-8040 |
400(37) |
32 |
10500(39.7) |
99.5 |
99.2 |
| Pro-BW-8040 |
440(40) |
28 |
12500(47.3) |
99.5 |
99.2 |
1. The product's flow rate and impressive salt rejection rate were meticulously determined under the following optimized test conditions:
With a feed water concentration of 2000 ppm expressed as NaCl, feed water pressure maintained at 225 psi (1.55 MPa), and consistent feed water temperature set at 77°F (25°C), the recovery rate is optimized at 15% for each individual membrane.
2. Enjoy a flexible variation range of product flow at +/-15%, ensuring adaptability and efficiency.
Operating Condition:
| Operating Limits |
Unit |
Value |
| Maximum operatingpressure |
psi(bar) |
600(41) |
| Maximumfeed water temperature |
°F(°C) |
113(45) |
| Maximum pressure drop |
bar |
1 |
| ContinuousoperationpH range |
|
2~11 |
| Cleaning PH range |
|
1~13 |
| Maximum feed watere SDl15 |
|
5 |
| Maximum influent turbidity |
ntu |
1 |
| Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
SIZE: mm
| Model |
A |
B |
C |
| Pro-BW-2521 |
533 |
61 |
19 |
| Pro-BW-2540 |
1016 |
61 |
19 |
| Pro-BW-4021 |
533 |
100 |
19 |
| Pro-BW-4040 |
1016 |
100.3 |
19.1 |
| Pro-BW-8040 |
1016 |
200 |
28.6 |
| Pro-BW-8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare has garnered invaluable expertise by delivering innovative technical solutions to the industrial sector. Our advanced systems ensure absolutely pure water, essential for a myriad of industrial processes, wastewater treatment, and resource recycling.
We are actively involved in major industry sectors, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductor production, seawater desalination, reclaimed water treatment, leachate management, synthetic biology, copper foil production, pharmaceuticals, and the power industry.
Our technologies also cater to steam boilers, food & beverages (mineral water bottling, soft drinks, juices), painting lines, dairies, ice creams, laundries, hospitals, textiles, mechanical industries, steel companies, and more.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive expertise in desalination technology extends to providing water purification solutions for civil use in hotels and touristic resorts. We recognize the essential need for fresh water in these infrastructures, offering R.O. sea water or brackish water desalination as a reliable alternative solution to meet the growing demands of expanding touristic areas effectively.
Farming Applications
Water is a critical factor in ensuring the health and optimal performance of livestock such as cattle, chickens, sheep, and pigs. Not only the quantity but also the quality of water plays a crucial role in achieving desired growth in animals.
Farms may source water from wells, civil water networks, and occasionally from rivers or other surface sources. Optimizing these water resources is key to sustainable farming.
Aside from civil networks, which contain free chlorine, other water sources often harbor high levels of dissolved solids and pathogens. Reverse osmosis technology emerges as the most effective solution to mitigate the negative impacts of contaminated farm water, ensuring it undergoes necessary technological treatment to remove harmful substances, thereby safeguarding animal health.
Municipal and Civil Use
We offer cutting-edge and scalable solutions for the efficient and sustainable treatment of wastewater and effluents. Our comprehensive portfolio of patented technologies, supported by national-level experts and scientific research institutions, assures municipalities compliance with stringent health and environmental regulations. We are committed to the continuous enhancement of our sanitation systems through systematic feedback from our field engineers.
Our expertise in sewage treatment is a cornerstone in supporting your sustainable development goals. As a significant contributor to sustainable development, we provide a vast array of solutions including:
Advanced Sanitation Technologies.
Innovative Recovery of Reusable Materials from Wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Traditionally, the application of desalination membranes on international luxury cruise ships has been dominated by a select few international brands. Given the variations in feed water quality, such as salinity and temperature shifts during the cruise, the membranes must efficiently adapt to these dynamic conditions. This ensures stable water production, crucial to meet the demanding needs of ocean-going vessels.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes have showcased outstanding performance, excelling in desalination rate and steadfast water production. The water quality achieved by these membranes adheres to the rigorous standards required by luxury cruise ships.
This impressive result prompted the replacement of desalination membranes across three additional cruise ships. Proshare's triumph in this endeavor marks a groundbreaking achievement, positioning it as the very first national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
In the semiconductor industry, the requirements for electronic-grade ultra-pure water through membrane desalination are exceptionally stringent. Only a select few brands are able to meet these elevated standards.
Leveraging Proshare's groundbreaking TFN membrane technology alongside the TsingXi team's extensive expertise in water treatment, our complete water treatment plant solutions deliver exceptional salt, boron, and TOC rejection performance. This system's water production surpasses the stringent requirements of the semiconductor industry's ultra-pure water standards.
This resounding success facilitated our acquisition of a major electronic ultra-pure water treatment project with a reputable Japanese listed company.
Proshare Tailor made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical / Refining Truly Achieve Zero Liquid Discharge
Proshare Tailor made TFN special acid-resistant and high-pressure membranes separation and concentration device for wastewater treatment involving ammonium sulphate desulphurisation, achieving wastewater concentration up to 40 times. This results in an ammonium sulphate concentration of ≥ 20% in the concentrated water, dramatically reducing energy consumption for subsequent evaporation and crystallisation processes. This translates into substantial cost savings for users while consistently meeting the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up. A milestone in zero wastewater discharge has been truly realized.
This remarkable achievement has garnered further orders from other subsidiaries within the group.
This membrane technology also finds application in other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate. Industries such as energy, refining, chemical, and metallurgical sectors benefit from this groundbreaking solution. When combined with the latest ammonia desulphurisation technology and carbon capture, it supports new energy consumption and aligns with the development of the green industry chain, adhering to the national 'dual-carbon' policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,while boasting a retention rate of Mg2+ > 99%, and a retention rate for Ca2+ > 98%
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes are challenged by membrane fouling,low selectivity<80%,high energy consumption accounts for 30%-40% of total cost, which can significantly impact your budget.short membrane lifespan 2-3years, which may require frequent replacements.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane Technology
demonstrated superior performance data in an lithium extraction project located in Lakkor Tso Salt Lake , Tibet, China, showcasing the effectiveness of our solution even in challenging environments.:
With an efficient 2-stage Nanofiltration process combined with a 1-stage RO, producing water with remarkable purity.Production water achieved with Mg2+ 2.9mg/L, Ca2+ 2.25mg/L with an outstanding retention rate of Mg2+ > 99% and Ca2+ > 98%. The lithium permeate rate stands at an impressive 96.6%, and the flux nears 20LMH under the operating pressure of 1MPa.Our proven membrane technology is both environmentally and economically friendly, elevating product purity and quality with ease.
Proshare Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our trailblazing team at Proshare has pushed the boundaries of innovation with the pioneering development of cutting-edge reverse osmosis membranes. By harnessing the power of polymer interface nano-self-assembly technology, we have shattered the confines of traditional membrane development through two groundbreaking advancements:
Ultra-Thin Separation Layer: Leveraging the revolutionary polymer interface nanotechnology, our experts have achieved a remarkable feat by reducing the separation layer thickness to an unprecedented scale-at least three times thinner than conventional polyamide thin films, previously constrained to 100 nm. This monumental breakthrough dramatically boosts water flux, delivering an exceptional enhancement in permeability.
Enhanced Performance: By introducing cutting-edge nanoparticles and specialized hydrophilic polymers, we have unlocked extraordinary enhancements in the membrane's hydrophilicity, anti-fouling capabilities, durability, and oxidation resistance, setting a new benchmark in performance.
Compared to traditional polyamide reverse osmosis membranes, Proshare's innovation showcases transformative breakthroughs across four pivotal dimensions:
Self-Assembled Nanocomposite Films
Integrating the finesse of nano-scale precision control and the ingenuity of nano-doping modification, we craft ultra-thin, meticulously ordered separation layers with polymer interface nanotechnology. This avant-garde approach transcends the traditional boundaries of polyamide membranes, addressing challenges in thickness uniformity and material versatility.
Enhanced Water Flux and Energy Efficiency
Through the meticulous optimization of our layer-by-layer self-assembly process, we exert precise control over functional layer thickness, achieving a remarkable threefold reduction compared to traditional membranes. This precision engineering culminates in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Breaking free from the confines of polyamide, our team employs groundbreaking hydrophilic polymers such as modified polysulfones and innovative ceramic-organic hybrids. These materials exhibit outstanding oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (maintaining stability across a pH range of 1 to 12).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, boasting a contact angle of less than 10°, combined with the reinforcement of nanoparticles, significantly diminishes the propensity for organic fouling by 50%. This innovation extends chemical cleaning cycles from 3 months to an impressive 6 months, slashing maintenance costs by 40%.
Our Proshare Bw4040 Durable Water Treatment Membrane Filter shines with a suite of prestigious certificates that affirm our commitment to excellence and safety. These include the Health & Safety Management System Certificate, Environmental Management System Certificate, and the ISO9001 Quality System Certificate. Each certification reflects our unwavering dedication to maintaining the highest standards in health, environmental responsibility, and quality assurance.
The innovative prowess of Proshare Innovation Suzhou Co., Ltd. is exemplified by our impressive array of patents. Our cutting-edge invention patent for membrane production, alongside our revolutionary invention patent for the multi-layer RO membrane, underscores our leadership in technological advancement and industry innovation. Our product's RoHS Compliance Certificate guarantees that the Proshare Bw4040 Durable Water Treatment Membrane Filter adheres to stringent environmental and health safety standards, ensuring a safe and responsible choice for your water treatment needs.
Proshare Innovation Suzhou Co., Ltd. stands proudly as a beacon of cutting-edge advancements, as a national high-tech enterprise dedicated to the R&D and industrialization of pioneering third-generation thin-film nanocomposite (TFN) membranes. These are essential for reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by a visionary team of overseas-returned doctoral experts spearheaded by Dr. Lin Xiaofeng, who is a distinguished recipient of prestigious national-level talent programs. Our company has uniquely positioned itself as China's singular domestic producer of TFN membranes.
Core Competencies
Technological Innovation: With a pioneering spirit, we have led the charge in applying TFN technology to nanofiltration membranes, realizing a complete independent R&D process and achieving localized production of both the membranes themselves and their manufacturing equipment.
Intellectual Property: We proudly own over 31 patents, with our membrane performance consistently achieving internationally leading standards, effectively substituting products that once dominated the market globally.
Production Capacity: Our operations span a state-of-the-art 2,000 m² R&D facility complemented by an expansive 15,000 m² production base, ensuring ample production capabilities.
Funding: Having successfully navigated Pre-A Round (2023) and A Round (January 2025) financing, we are supported by the esteemed Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: We are proud to be a designated preferred supplier for leading listed environmental engineering firms and state-owned enterprises, reflecting our esteemed market presence.
Leadership:Dr. Lin Xiaofeng, who earned his Ph.D. from the University of Strasbourg in France, is a celebrated figure, having been honored with numerous provincial and national talent awards such as Suzhou Leading Talent and Jiangsu Dual Innovation Talent. Dr. Lin drives the company's R&D breakthroughs in TFN membrane industrialization with visionary leadership.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We provide comprehensive water treatment solutions
with our revolutionary TFN membrane sheet, membrane elements, and full water treatment system solutions, crafted to revolutionize your water treatment infrastructure.
A: Our customization capabilities
are backed by national expert teams alongside our partnership with Tsinghua University Suzhou Environmental Innovation, ensuring tailored solutions to meet your specific needs.
A: We ensure quality and deliver true value.
Our premium solutions not only exceed expectations, but also offer substantial ROI for our clients. We provide continuous training, unparalleled support, and services, leveraging our local expertise to serve global markets effectively.
A: In collaboration with our customers,
we draw inspiration from their relentless efforts to deliver the most vital resource - clean water. Together, we thrive for a world optimized by water solutions.
(2) Q: Are you a manufacturer or Trade Company?
A: We stand as a professional manufacturer with our own International Trade Department, allowing us to deeply understand and cater to customer needs, always offering competitive pricing.
(3) Q: How's the after-sale service?
A: We provide expert engineers available for overseas service under the guidance of merchandisers, ensuring seamless communication and support.
(4) Q: How about the quality?
A: Our main sub-assemblies and raw materials are sourced from reputable large companies, with key components researched and developed by our talented team. Our professional assembly line and stringent quality testing systems ensure we meet your highest quality standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: We offer a 1-year warranty adhering to International standards, ensuring peace of mind for our customers. Our dedicated support team is available online 24/7 to assist you with any inquiries or concerns about our machine. Feel free to reach out to us anytime for prompt assistance.
(6) Q: Certification?
A: Tsingxi proudly holds ISO9001, ISO14001, and ISO45001 certifications, underscoring our commitment to excellence and quality. Our products are meticulously designed to meet 3C and CE technical standards, ensuring reliability and safety. Each product is certified by the Industry Administration Authority, affirming their superior quality. Tsingxi is dedicated to becoming a leading high-tech powerhouse in the global water treatment industry, consistently enhancing innovations and expanding our market presence.
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